Long-press the button for 5 second until digital display flicker. Then short-press the button to change the power, 25mW/50mW/200mW(one hyphen stands for 25mW, two hyphens stand for 50mW, and three hyphens stand for 200mW).

5 seconds after setting, CH, FR and power will flicker alternately.

NOTE: The VTX has memory for setting. To change the setting, please repeat steps as above.